president obama set to unveil major gun control proposals, coming tomorrow, we are led to believe. already conservative lawmakers are lashing out. unless breaking news changes everything on studio "b." but first, 3:00 in new york city, the disgraced cyclist lance armstrong has fessed up, it aper, admitting he did use performance-enhancing drugs and lay lying about it and all the millions of dollars in lawsuits and all the rest. oprah winfrey said he made the admission in a two and-a-half-hour sit-down yesterday, that she will air in its entirety. it was the biggest interview of oprah's career and lance armstrong brought it. >> i would say he did not come clean in the matter that i expected. it was surprising to me. i would say that... for myself, my team, all of us in the room, we were mesmerized and riveted by some of his answers. >> the confession came hours after he apologized to the staff of the live strong cancer charity he founded. he stepped away from that organization, following the ruling that stripped him of seven tour de france titles. he is banned from competitive cycli